Features1[Durable]Made of high quality aluminum alloy and steel materials, the steel structure is firm and durable 2[Corrosion Resistance]The surface is electroplated, not afraid of grinding and corrosion resistance 3[High Strength]Strong corrosion resistant material, high strength, light weight, very durable 4[Easy Installation]The quick release rod is detachable, which is more convenient to use, convenient to install, time saving and labor saving 5[Many Kinds]Front open level 100mm, rear open level 135mm. There are many colors for you to choose fromSpecificationItem Type:Bicycle Quick Release Skewer LeverMaterial: Steel , Aluminum AlloySpecification: Front Opening Approx. 100mm / 3.9in, Rear Opening Approx. 135mm / 5.3inPackage List2 x Bicycle Quick Release Skewer Lever